JSFiddle - React, Tailwind, and code Playground
by javajack
HTML
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<link rel="stylesheet" href="http://davidstutz.github.io/bootstrap-multiselect/css/bootstrap-multiselect.css">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="http://davidstutz.github.io/bootstrap-multiselect/js/bootstrap-multiselect.js"></script>
<div class="container">
<br>
<br>
<h3>Multiple Select by OptGroup</h3>
<form action="/xxx" method="POST" name="sampleform">
<select id="mySel3" name="mySel3" class="select2" multiple="multiple" style="width:400px;">
<optgroup label="Select multiple">
<option>One</option>
<option>Two</option>
<option>Three</option>
<option>Siz</option>
<option>Seven</option>
<option>Nine</option>
</optgroup>
<optgroup label="Select one" class="single">
<option>Four</option>
<option>Five</option>
<option>Six</option>
</optgroup>
</select>
<input type="submit" />
</form>
</div>
JavaScript
$("#mySel3").multiselect();